2557835250 has 32 divisors (see below), whose sum is σ = 6384358656. Its totient is φ = 682089200.

The previous prime is 2557835237. The next prime is 2557835251. The reversal of 2557835250 is 525387552.

It is a happy number.

It is a super-2 number, since 2×2557835250² = 13085042332285125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2557835251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1704474 + ... + 1705973.

It is an arithmetic number, because the mean of its divisors is an integer number (199511208).

Almost surely, 2^2557835250 is an apocalyptic number.

2557835250 is an abundant number, since it is smaller than the sum of its proper divisors (3826523406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2557835250 is a wasteful number, since it uses less digits than its factorization.

2557835250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410467 (or 3410457 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The square root of 2557835250 is about 50575.0457241514. The cubic root of 2557835250 is about 1367.5950579346.

The spelling of 2557835250 in words is "two billion, five hundred fifty-seven million, eight hundred thirty-five thousand, two hundred fifty".